Chore: Using angularjs 1.5.0 online hosted.

Refactor: Simplified MenuItem and Hierarchical Product table.
Feature: Recipe now follows temporat (Point in time) feature.
It should be fully working and records the recipe cost for a period based on the issue price and as on date.
Feature: Using Angular Material for recipe form and also or product form.

sql/2016.03.14 - recipes.sql

@@ -0,0 +1,89 @@
+DROP TABLE recipe_items;
+DROP TABLE recipes;
+DROP TABLE menu_items;
+
+
+ALTER TABLE products RENAME TO products_old;
+
+CREATE TABLE products (
+  "ProductID"      UUID         NOT NULL,
+  "Code"           INTEGER,
+  "Name"           VARCHAR(255) NOT NULL,
+  "Units"          VARCHAR(255) NOT NULL,
+  "Fraction"       NUMERIC      NOT NULL,
+  "FractionUnits"  VARCHAR(255) NOT NULL,
+  "ProductYield"   NUMERIC      NOT NULL,
+  "ProductGroupID" UUID         NOT NULL,
+  "LedgerID"       UUID         NOT NULL,
+  cost_price       NUMERIC      NOT NULL,
+  sale_price       NUMERIC      NOT NULL,
+  "IsActive"       BOOLEAN      NOT NULL,
+  "IsFixture"      BOOLEAN      NOT NULL,
+  is_purchased     BOOLEAN      NOT NULL,
+  is_sold          BOOLEAN      NOT NULL,
+  PRIMARY KEY ("ProductID"),
+  UNIQUE ("Name", "Units"),
+  UNIQUE ("Code"),
+  FOREIGN KEY ("ProductGroupID") REFERENCES product_groups ("ProductGroupID"),
+  FOREIGN KEY ("LedgerID") REFERENCES ledgers ("LedgerID")
+);
+
+INSERT INTO products (
+  "ProductID", "Code", "Name", "Units", "Fraction", "FractionUnits",
+  "ProductYield", "ProductGroupID", "LedgerID", cost_price, sale_price,
+  "IsActive", "IsFixture", is_purchased, is_sold)
+  SELECT
+    "ProductID",
+    "Code",
+    "Name",
+    "Units",
+    "Fraction",
+    "FractionUnits",
+    "ProductYield",
+    "ProductGroupID",
+    "LedgerID",
+    "Price",
+    0,
+    "IsActive",
+    "IsFixture",
+    TRUE,
+    FALSE
+  FROM products_old;
+
+ALTER TABLE batches DROP CONSTRAINT "entities_batches_ProductID_fkey";
+ALTER TABLE batches ADD CONSTRAINT "batches_ProductID_fkey" FOREIGN KEY ("ProductID")
+REFERENCES products ("ProductID");
+
+ALTER TABLE inventories DROP CONSTRAINT "entities_inventories_ProductID_fkey";
+ALTER TABLE inventories ADD CONSTRAINT "inventories_ProductID_fkey" FOREIGN KEY ("ProductID")
+REFERENCES products ("ProductID");
+
+DROP TABLE products_old;
+
+CREATE TABLE recipes (
+  recipe_id      UUID    NOT NULL,
+  product_id     UUID    NOT NULL,
+  quantity       NUMERIC NOT NULL,
+  cost_price     NUMERIC NOT NULL,
+  sale_price     NUMERIC NOT NULL,
+  notes          VARCHAR(255),
+  valid_from     DATE    NOT NULL,
+  valid_to       DATE    NOT NULL,
+  effective_from DATE    NOT NULL,
+  effective_to   DATE,
+  PRIMARY KEY (recipe_id),
+  FOREIGN KEY (product_id) REFERENCES products ("ProductID")
+);
+
+CREATE TABLE recipe_items (
+  recipe_item_id UUID    NOT NULL,
+  recipe_id      UUID    NOT NULL,
+  product_id     UUID    NOT NULL,
+  quantity       INTEGER NOT NULL,
+  price          INTEGER NOT NULL,
+  PRIMARY KEY (recipe_item_id),
+  UNIQUE (recipe_id, product_id),
+  FOREIGN KEY (recipe_id) REFERENCES recipes (recipe_id),
+  FOREIGN KEY (product_id) REFERENCES products ("ProductID")
+);
+